Retinal Capillary Nonperfusion on OCT-Angiography and Its Relationship to Kidney Function in Patients with Diabetes

Table 3

Correlations of retinal nonperfusion and retinal vessel density with estimated glomerular filtration rate (eGFR) and urine albumin-creatinine ratio.

eGFR							Urine albumin-to-creatinine ratio
	All eyes (n = 11)		Eyes without diabetic retinopathy (n = 4)		Eyes with diabetic retinopathy (n = 7)		All eyes (n = 11)		Eyes without diabetic retinopathy (n = 4)		Eyes with diabetic retinopathy (n = 7)
	R(correlation)	value	R(correlation)	value	R(correlation)	value	R(correlation)	value	R(correlation)	value	R(correlation)	value
30° nonperfusion	−0.686	0.004	−0.032	0.979	−0.885	0.008	−0.167	0.481	0.288	0.712	0.113	0.809
60° nonperfusion	−0.457	0.057	0.217	0.783	−0.844	0.017	−0.315	0.183	−0.443	0.557	−0.051	0.913
30° vessel density	0.267	0.267	−0.117	0.883	0.809	0.027	0.093	0.695	0.109	0.891	0.289	0.530
60° vessel density	0.305	0.205	−0.205	0.795	0.653	0.112	0.278	0.240	0.396	0.604	0.273	0.554